Crows can recognize geometric patterns, suggesting that humans aren't unique in understanding shape structure.

W hen most people think of shapes, they imagine a triangle, a rectangle, or maybe even a fancier- sounding rhombus or ...

Scientists tested crows on their ability to recognize “geometric regularity,” a skill previously assumed to be unique to ...

A silhouette stamp vector set of Easter eggs with different geometric and ornamental designs line patterns, including swirls, waves and fan patterns. Royalty-free licenses let you pay once to use ...